arch/mips/dec/prom/locore.S

   1 /*
   2  * locore.S
   3  */
   4 #include <asm/asm.h>
   5 #include <asm/regdef.h>
   6 #include <asm/mipsregs.h>
   7
   8         .text
   9
  10 /*
  11  * Simple general exception handling routine. This one is used for the
  12  * Memory sizing routine for pmax machines. HK
  13  */
  14
  15 NESTED(genexcept_early, 0, sp)
  16         .set    noat
  17         .set    noreorder
  18
  19         mfc0    k0, CP0_STATUS
  20         la      k1, mem_err
  21
  22         sw      k0, 0(k1)
  23
  24         mfc0    k0, CP0_EPC
  25         nop
  26         addiu   k0, 4           # skip the causing instruction
  27         jr      k0
  28          rfe
  29 END(genexcept_early)
  30